Geological Bulletin, Volumes 4-6Peshawar University Press, 1971 |
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Page 12
... volcanic activity . They may have been contemporaneusly deposited in local depressions formed by volcanic activity or tectonism . However , the absence of volcanic material in them , and their resemblence to the quartzites around Kalam ...
... volcanic activity . They may have been contemporaneusly deposited in local depressions formed by volcanic activity or tectonism . However , the absence of volcanic material in them , and their resemblence to the quartzites around Kalam ...
Page 13
... volcanic rocks have been intruded by granites in many places . Some of the volcanic rocks along the northern slopes of Paloga stream have minor association of pink and green mixed schists ( or metavolcanics ) bordering granite . They ...
... volcanic rocks have been intruded by granites in many places . Some of the volcanic rocks along the northern slopes of Paloga stream have minor association of pink and green mixed schists ( or metavolcanics ) bordering granite . They ...
Page 69
... volcanic porphyry dykes , light brownish - gray in colour , with lenticular feldspar phenocrysts , and exteremely fine - grained groundmass . Most of these dykes strike east - west or northeast- southwest with steep northerly dips ...
... volcanic porphyry dykes , light brownish - gray in colour , with lenticular feldspar phenocrysts , and exteremely fine - grained groundmass . Most of these dykes strike east - west or northeast- southwest with steep northerly dips ...
Contents
Mianwali Group Redefined By B R Husain | 14 |
The Study of the Joint Patterns and the other Structures of the Manki Slate | 24 |
Stratigraphic Studies of the Nowshera Reef Complexes Nowshera Tehsil | 33 |
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abundant Ahmad alkaline granite alluvium altered amphibole amphibolites Attock Attock Shale Attock-Cherat Range bands beds biotite Bull calcareous calcite carbonate cent Cherat chlorite colour composed contain correlated crystals dark deposits diorites dolomitic epidote exposed feet thick feldspar folded fossils fractures Gandghar Gandghar Range garnet Geol geology Gilgit Gilgit Agency gneisses grains graphite green grey groundmass Hazara hornblende Hornblendic Group Ibid igneous Indus intrusions Kalam Kandar Khan Khewra Khwar Khyber Agency Kohistan limestone lithological Lower Manki Slate marble Masjid Formation metamorphism metasedimentary miles minerals minor Misri Banda Quartzite Mohmand Nala norites Nowshera occur outcrops Palaeozoic pegmatites peridotites Peshawar phenocrysts phyllites plagioclase pleochroic pyroxene quartzite reef complex Reef Core region River samples sandstone Schistose Group schists sediments Shah shale Silurian Siluro-Devonian solutions sphene Stauffer stratigraphic structure sulphide Surv Tahirkheli Tertiary texture thin sections ultramafic Upper Swat valley village Warsak weathered West Pakistan zone